refactor to use wrapper function to wrap all the codes in cast_string_to_function.h

dataset/load-from-test/fixed_list/fixed_list_correct.csv

@@ -1,6 +1,6 @@
-"[23123.4342133123]"
-"[-4321312.42343255]"
-"[43213123454.34324]"
-"[-1.344455]"
-"[-4212.4234]"
-"[-2]"
+"[23123.4342133123]","T","1 month 2 days"
+"[-4321312.42343255]",true,1 year 3 days
+"[43213123454.34324]",false,12 years 3 months 30 days
+"[-1.344455]",F,3 days
+"[-4212.4234]",0,null
+"[-2]",1,10 months

dataset/load-from-test/fixed_list/fixed_list_int64.csv

@@ -1,3 +1,3 @@
-"[4234234, 4234535, -3242342]"
-"[4234234, 4234535, 0]"
-"[4234234, 0, -3242342]"
+"[4234234, 4234535, -3242342]","2022-06-06","2022-11-22 15:12:22"
+"[4234234, 4234535, 0]","2013-02-21","1970-01-01 00:00:00.004666-10"
+"[4234234, 0, -3242342]","2019-12-30","1970-01-01 10:11:00.004666+10:11"

src/binder/bind/bind_graph_pattern.cpp

@@ -11,7 +11,7 @@
 #include "catalog/rel_table_schema.h"
 #include "common/exception/binder.h"
 #include "common/string_format.h"
-#include "function/cast/cast_utils.h"
+#include "function/cast/functions/cast_string_to_functions.h"
 #include "main/client_context.h"
 
 using namespace kuzu::common;
@@ -428,11 +428,11 @@ std::pair<uint64_t, uint64_t> Binder::bindVariableLengthRelBound(
     const kuzu::parser::RelPattern& relPattern) {
     auto recursiveInfo = relPattern.getRecursiveInfo();
     uint32_t lowerBound;
-    function::simpleIntegerCast(
+    function::CastStringToTypes::operation(
         recursiveInfo->lowerBound.c_str(), recursiveInfo->lowerBound.length(), lowerBound);
     auto upperBound = clientContext->varLengthExtendMaxDepth;
     if (!recursiveInfo->upperBound.empty()) {
-        function::simpleIntegerCast(
+        function::CastStringToTypes::operation(
             recursiveInfo->upperBound.c_str(), recursiveInfo->upperBound.length(), upperBound);
     }
     if (lowerBound > upperBound) {

src/c_api/value.cpp

@@ -8,7 +8,7 @@
 #include "common/types/value/node.h"
 #include "common/types/value/recursive_rel.h"
 #include "common/types/value/rel.h"
-#include "function/cast/cast_functions.h"
+#include "function/cast/functions/cast_string_to_functions.h"
 #include "main/kuzu.h"
 
 using namespace kuzu::common;
@@ -269,10 +269,10 @@
     int128_t int128_val = 0;
     kuzu_int128_t c_int128;
     try {
-        kuzu::function::CastToInt128::operation(str, int128_val);
+        kuzu::function::CastStringToTypes::operation(str, strlen(str), int128_val);
         c_int128.low = int128_val.low;
         c_int128.high = int128_val.high;
-    } catch (kuzu::common::ConversionException& e) {
+    } catch (ConversionException& e) {
         c_int128.low = 0;
         c_int128.high = 0;
     }
@@ -283,7 +283,7 @@
     int128_t c_int128;
     c_int128.low = int128_val.low;
     c_int128.high = int128_val.high;
-    return convertToOwnedCString(kuzu::common::Int128_t::ToString(c_int128));
+    return convertToOwnedCString(TypeUtils::toString(c_int128));
 }
 // TODO: bind all int128_t supported functions
 

src/function/CMakeLists.txt

@@ -7,7 +7,8 @@ add_library(kuzu_function
         built_in_aggregate_functions.cpp
         built_in_vector_functions.cpp
         built_in_table_functions.cpp
-        cast_utils.cpp
+        cast_string_non_nested_functions.cpp
+        cast_string_to_functions.cpp
         comparison_functions.cpp
         find_function.cpp
         scalar_macro_function.cpp

src/function/cast_utils.cpp → src/function/cast_string_non_nested_functions.cpp

@@ -1,4 +1,6 @@
-#include "function/cast/cast_utils.h"
+#include "function/cast/functions/cast_string_non_nested_functions.h"
+
+#include "common/string_format.h"
 
 namespace kuzu {
 namespace function {
@@ -48,8 +50,8 @@ bool tryCastToBool(const char* input, uint64_t len, bool& result) {
 
 void castStringToBool(const char* input, uint64_t len, bool& result) {
     if (!tryCastToBool(input, len, result)) {
-        throw common::ConversionException(
-            "Cast failed. " + std::string{input, len} + " is not in BOOL range.");
+        throw common::ConversionException{
+            common::stringFormat("Value {} is not a valid boolean", std::string{input, len})};
     }
 }